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References Article: https://www.pcbway.com/blog/technology/4000W_Standalone_Digital_AC_Dimmer_Using_STM32.html [1]: TLP521 Datasheet: https://www.futurlec.com/Datasheet/LED/TLP521.pdf [2]: BTA26 Datasheet: https://www.mouser.com/datasheet/2/389/cd00002264-1795706.pdf [3]: AN437, ST Application Note: https://www.st.com/resource/en/application_note/cd00004096-rc-snubber-circuit-design-for-triacs-stmicroelectronics.pdf [4]: MOC3021 Datasheet: http://www.farnell.com/datasheets/97984.pdf [5]: AMS1117-3.3 Datasheet: http://www.advanced-monolithic.com/pdf/ds1117.pdf [6]: STM32F030F4 Datasheet: https://www.mouser.com/datasheet/2/389/dm00088500-1797910.pdf [7]: Schematic Symbol and PCB Footprint of TLP521: https://componentsearchengine.com/part/1774908/model/download [8]: Schematic Symbol and PCB Footprint of MOC3021: https://componentsearchengine.com/part/229006098/model/download [9]: Schematic Symbol and PCB Footprint of BTA26-600: https://componentsearchengine.com/part/1587919/model/download [10]: Schematic Symbol and PCB Footprint of AMS1117-3.3: https://componentsearchengine.com/part/656857/model/download [11]: Schematic Symbol and PCB Footprint of STM32F030F4: https://componentsearchengine.com/part/182014793/model/download [12]: Electronic CAD Plugins: https://www.samacsys.com/library-loader-help [13]: 2N7002 Datasheet: https://www.diodes.com/assets/Datasheets/ds11303.pdf [14]: Schematic Symbol and PCB Footprint of 2N7002: https://componentsearchengine.com/part/228320879/model/download